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Cheap flights from Portland to Ireland from $210

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 11:05 am
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
2:15 pm - 6:00 pm
DUB
-
PDX
11h 45m
1 stop
$362Icelandair
Thu, Apr 23 - Mon, Apr 27
British Airways Logo
5:45 pm - 3:05 pm
PDX
-
DUB
13h 20m
1 stop
British Airways Logo
2:15 pm - 4:55 pm
DUB
-
PDX
33h 40m
1 stop
$397British Airways
Sun, Mar 1 - Tue, Mar 10
British Airways Logo
6:00 am - 11:15 am
PDX
-
DUB
21h 15m
2 stops
British Airways Logo
3:30 pm - 3:55 pm
DUB
-
PDX
32h 25m
1 stop
$402British Airways
Wed, Feb 11 - Tue, Feb 17
British Airways Logo
5:45 pm - 7:05 pm
PDX
-
DUB
17h 20m
1 stop
British Airways Logo
6:40 am - 3:55 pm
DUB
-
PDX
17h 15m
1 stop
$404British Airways
Sun, Feb 22 - Wed, Mar 4
British Airways Logo
2:13 pm - 3:40 pm
PDX
-
DUB
17h 27m
2 stops
British Airways Logo
8:45 am - 12:17 am
DUB
-
PDX
23h 32m
2 stops
$405British Airways
Tue, Feb 10 - Tue, Feb 17
British Airways Logo
6:00 am - 11:20 am
PDX
-
SNN
21h 20m
2 stops
British Airways Logo
9:15 pm - 5:40 pm
SNN
-
PDX
28h 25m
1 stop
$406British Airways
Tue, May 5 - Tue, May 12
British Airways Logo
6:00 am - 11:15 am
PDX
-
DUB
21h 15m
2 stops
British Airways Logo
7:45 pm - 3:55 pm
DUB
-
PDX
28h 10m
1 stop
$407British Airways
Tue, Feb 10 - Thu, Feb 19
KLM Logo
1:25 pm - 11:25 pm
PDX
-
ORK
26h 00m
1 stop
KLM Logo
6:00 am - 11:25 am
ORK
-
PDX
13h 25m
1 stop
$479KLM
Fri, Feb 27 - Fri, Mar 6
American Airlines Logo
6:35 am - 11:30 am
PDX
-
SNN
20h 55m
2 stops
American Airlines Logo
7:50 am - 9:58 pm
SNN
-
PDX
22h 08m
2 stops
$486American Airlines
Sat, Feb 28 - Sat, Mar 7
Delta Logo
12:30 am - 10:45 am
PDX
-
ORK
27h 15m
2 stops
Delta Logo
5:10 pm - 11:10 am
ORK
-
PDX
26h 00m
1 stop
$490Delta
Mon, Mar 16 - Tue, Mar 31

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets
Icelandair
Apr 23
PDX3:30 pmPortland
11h 35m
1 stop
DUB11:05 amDublin
Apr 27
DUB2:15 pmDublin
11h 45m
1 stop
PDX6:00 pmPortland
$362
Icelandair
Apr 20
PDX3:30 pmPortland
13h 45m
1 stop
DUB1:15 pmDublin
Apr 29
DUB12:15 pmDublin
13h 45m
1 stop
PDX6:00 pmPortland
$366
Icelandair
Apr 28
PDX3:30 pmPortland
11h 35m
1 stop
DUB11:05 amDublin
May 6
DUB12:15 pmDublin
13h 45m
1 stop
PDX6:00 pmPortland
$370

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets
British Airways
Mar 1
PDX5:45 pmPortland
13h 20m
1 stop
DUB3:05 pmDublin
Mar 10
DUB2:15 pmDublin
33h 40m
1 stop
PDX4:55 pmPortland
$397
British Airways
Mar 1
PDX5:45 pmPortland
15h 05m
1 stop
DUB4:50 pmDublin
Mar 10
DUB8:40 pmDublin
27h 15m
1 stop
PDX4:55 pmPortland
$399
British Airways
Feb 11
PDX6:00 amPortland
19h 40m
2 stops
DUB9:40 amDublin
Feb 17
DUB2:15 pmDublin
33h 40m
1 stop
PDX3:55 pmPortland
$402

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/23

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Mon 4/27

2:15 pm-6:00 pm

1 stop11h 45m

$362

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/1

5:45 pm-3:05 pm

1 stop13h 20m

Dublin

Tue 3/10

2:15 pm-4:55 pm

1 stop33h 40m

$397

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 2/11

6:00 am-11:15 am

2 stops21h 15m

Dublin

Tue 2/17

3:30 pm-3:55 pm

1 stop32h 25m

$402

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/22

5:45 pm-7:05 pm

1 stop17h 20m

Dublin

Wed 3/4

6:40 am-3:55 pm

1 stop17h 15m

$404

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 2/10

2:13 pm-3:40 pm

2 stops17h 27m

Dublin

Tue 2/17

8:45 am-12:17 am

2 stops23h 32m

$405

PortlandShannon

PDX - SNN

PDXSNN

Portland

Tue 5/5

6:00 am-11:20 am

2 stops21h 20m

Shannon

Tue 5/12

9:15 pm-5:40 pm

1 stop28h 25m

$406

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 2/10

6:00 am-11:15 am

2 stops21h 15m

Dublin

Thu 2/19

7:45 pm-3:55 pm

1 stop28h 10m

$407

PortlandCork

PDX - ORK

PDXORK

Portland

Fri 2/27

1:25 pm-11:25 pm

1 stop26h 00m

Cork

Fri 3/6

6:00 am-11:25 am

1 stop13h 25m

$479

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 2/28

6:35 am-11:30 am

2 stops20h 55m

Shannon

Sat 3/7

7:50 am-9:58 pm

2 stops22h 08m

$486

PortlandCork

PDX - ORK

PDXORK

Portland

Mon 3/16

12:30 am-10:45 am

2 stops27h 15m

Cork

Tue 3/31

5:10 pm-11:10 am

1 stop26h 00m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $487. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $517.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $626 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $582 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 42% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 35m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Ireland?

    Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ireland?

  • How old do you have to be to fly from Portland Airport to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $358Free CancellationRating
7.1
596 reviews
Search Icelandair flights
IberiaPriceFrom $437Free CancellationRating
7.0
3,087 reviews
Search Iberia flights
American AirlinesPriceFrom $467Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
United AirlinesPriceFrom $469Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
British AirwaysPriceFrom $471Free CancellationRating
6.7
7,680 reviews
Search British Airways flights
DeltaPriceFrom $474Free CancellationRating
7.9
8,051 reviews
Search Delta flights
LufthansaPriceFrom $477Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights
KLMPriceFrom $483Free CancellationRating
7.7
1,440 reviews
Search KLM flights
Air FrancePriceFrom $483Free CancellationRating
7.4
1,522 reviews
Search Air France flights
Air CanadaPriceFrom $490Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ireland

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